"Clodoaldo Pinto" <clodoaldo(dot)pinto(at)gmail(dot)com> writes:
> There is a simlink in /var/lib/pgsql/data pointing to /disk2/pg_xlog
> which is in sbd1 and is owned by postgres.
You need to modify the selinux policy to let the postmaster access
/disk2/pg_xlog ... by default, it's constrained to only be able to touch
stuff under /var/lib/pgsql.
regards, tom lane